3 raised to power -4 ÷ 3 raised to power 7 ×3 raised to power 5
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Answer:
Step-by-step explanation:
=3^-7÷3^-10×3^-5
= 1/3^7 ÷ 1/3^10 × 1/3^5
= 1/3^7 × 3^10 × 1/3^5
= 1/3^7+5 × 3^10
= 1/3^12 × 3^10
= 3^10/3^12
= 3^10-12 = 3^-2 = 1/9
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Answer:
1/729
Step-by-step explanation:
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